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| author | Michael Neuling <mikey@neuling.org> | 2013-04-17 17:33:11 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-04-26 16:08:16 +1000 |
| commit | 2171364d1a92d0a101b455315de7a92efb566008 (patch) | |
| tree | f9950115c41fc580b106d6c836ca567bb9af9b35 /arch/powerpc | |
| parent | 6263fb3bd79834411e41acb8b02153e034ab810d (diff) | |
| download | op-kernel-dev-2171364d1a92d0a101b455315de7a92efb566008.zip op-kernel-dev-2171364d1a92d0a101b455315de7a92efb566008.tar.gz | |
powerpc: Add HWCAP2 aux entry
We are currently out of free bits in AT_HWCAP. With POWER8, we have
several hardware features that we need to advertise.
Tested on POWER and x86.
Signed-off-by: Michael Neuling <michael@neuling.org>
Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/cputable.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/elf.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index fb3245e..ccadad6 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -52,6 +52,7 @@ struct cpu_spec { char *cpu_name; unsigned long cpu_features; /* Kernel features */ unsigned int cpu_user_features; /* Userland features */ + unsigned int cpu_user_features2; /* Userland features v2 */ unsigned int mmu_features; /* MMU features */ /* cache line sizes */ diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index ac9790f..cc0655a 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -61,6 +61,7 @@ typedef elf_vrregset_t elf_fpxregset_t; instruction set this cpu supports. This could be done in userspace, but it's not easy, and we've already done it here. */ # define ELF_HWCAP (cur_cpu_spec->cpu_user_features) +# define ELF_HWCAP2 (cur_cpu_spec->cpu_user_features2) /* This yields a string that ld.so will use to load implementation specific libraries for optimization. This is more specific in |
